Mathemagics Workbook

Notice how the numbers will cancel each other out, and all we are left with

is

Here's one for you to try. Simplify:

Notice how the 3's, 5's, 7's, 9's and 11 's cancel each other leaving us with

Although the SAT also covers such things as algebra and geometry, having a basic number sense is invaluable. Do your answers seem reasonable? With Mathemagics, we hope we have provided you with a greater number sense.

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CHAPTER 1 ANSWERS

Answers: 2-Digit Addition

Answers: 3- Digit Addition

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CHAPTER 2 ANSWERS

Answers: 2-Digit Subtraction

or

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Answers: 3-Digit Subtraction

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CHAPTER 3 ANSWERS

Answers: 2-by-l Multiplication

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Answers: 3-by-l Multiplication

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